Features ACCURATE DETECTION: The breath alcohol tester can provide you with reliable and stable results at each test, with a deviation of no more than 1.76%. NON CONTACT TYPE: The breath alcohol analyzer adopts a non contact blowing method, making it safer and more accurate. QUICK RESPONSE: The contactless alcohol tester has quick response time, you can get the result within 5s, no need waiting. PORTABLE SIZE: The breath alcohol tester with a compact mini size is very easy for you to carry around when outdoors. WIDE APPLICATION: Alcohol detector can be widely used in drunk driving, safety inspection, family gathering, hospital, etc. Specification: Item Type: Breath Alcohol Tester Material: ABS Model: DX 03 Battery: AAA Battery x 2 (Not Included) Measurement Accuracy: 0.01mg/L Display Accuracy: 0.01mg/L Working Temperature: 5℃ to 35℃ Test Range: 0.00-0.95mg/L Maximum Test Times: 2499 Package List:1 x Breath Alcohol Tester1 x User Manual Package List 1 x Breath Alcohol Tester 1 x User Manual